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(CoCrFeMnNi) N high-entropy ceramic powder and preparation method thereof
The invention relates to (CoCrFeMnNi) N high-entropy ceramic powder and a preparation method of the (CoCrFeMnNi) N high-entropy ceramic powder. According to the technical scheme, the preparation method comprises the following steps: respectively weighing five metal salts containing Co, Cr, Fe, Mn and Ni as raw materials according to the molar ratio of Co to Cr to Fe to Mn to Ni of 1: (0.8-1): (0.8-1): (0.8-1): (0.8-1); adding a surfactant and deionized water into the raw materials according to the mass ratio of the raw materials to the surfactant to the deionized water being 1: (0.8-0.9): (15-25), and stirring to obtain a solution I; adding urea into the solution I according to the molar ratio of the urea to the raw materials of (4-8): 1, stirring, and carrying out hydrothermal treatment; and carrying out centrifugal separation, taking a lower-layer precipitate, drying, carrying out heat treatment for 1-3 hours at 800-1000 DEG C to obtain (CoCrFeMnNi) 3O4 high-entropy ceramic powder, and carrying out heat treatment in an ammonia gas atmosphere at 400-600 DEG C to obtain the (CoCrFeMnNi) N high-entropy ceramic powder. The method has the characteristics of low cost, simple process, short period, high purity and good magnetic performance.
本发明涉及一种(CoCrFeMnNi)N高熵陶瓷粉体及其制备方法。其技术方案是：按Co∶Cr∶Fe∶Mn∶Ni的摩尔比为1∶(0.8～1)∶(0.8～1)∶(0.8～1)∶(0.8～1)，分别称取含Co、Cr、Fe、Mn和Ni的五种金属盐为原料；按原料∶表面活性剂∶去离子水的质量比为1∶(0.8～0.9)∶(15～25)，向原料中加入表面活性剂和去离子水，搅拌，得溶液I；按尿素∶所述原料的摩尔比为4～8∶1，向溶液I中加入尿素，搅拌，水热处理；离心分离，取下层沉淀物，干燥，在800～1000℃条件下热处理1～3h，得到(CoCrFeMnNi)3O4高熵陶瓷粉体后在氨气气氛和400～600℃条件下热处理，制得(CoCrFeMnNi)N高熵陶瓷粉体。本发明具有成本低、工艺简单、周期短、纯度高和磁学性能好的特点。
(CoCrFeMnNi) N high-entropy ceramic powder and preparation method thereof
The invention relates to (CoCrFeMnNi) N high-entropy ceramic powder and a preparation method of the (CoCrFeMnNi) N high-entropy ceramic powder. According to the technical scheme, the preparation method comprises the following steps: respectively weighing five metal salts containing Co, Cr, Fe, Mn and Ni as raw materials according to the molar ratio of Co to Cr to Fe to Mn to Ni of 1: (0.8-1): (0.8-1): (0.8-1): (0.8-1); adding a surfactant and deionized water into the raw materials according to the mass ratio of the raw materials to the surfactant to the deionized water being 1: (0.8-0.9): (15-25), and stirring to obtain a solution I; adding urea into the solution I according to the molar ratio of the urea to the raw materials of (4-8): 1, stirring, and carrying out hydrothermal treatment; and carrying out centrifugal separation, taking a lower-layer precipitate, drying, carrying out heat treatment for 1-3 hours at 800-1000 DEG C to obtain (CoCrFeMnNi) 3O4 high-entropy ceramic powder, and carrying out heat treatment in an ammonia gas atmosphere at 400-600 DEG C to obtain the (CoCrFeMnNi) N high-entropy ceramic powder. The method has the characteristics of low cost, simple process, short period, high purity and good magnetic performance.
本发明涉及一种(CoCrFeMnNi)N高熵陶瓷粉体及其制备方法。其技术方案是：按Co∶Cr∶Fe∶Mn∶Ni的摩尔比为1∶(0.8～1)∶(0.8～1)∶(0.8～1)∶(0.8～1)，分别称取含Co、Cr、Fe、Mn和Ni的五种金属盐为原料；按原料∶表面活性剂∶去离子水的质量比为1∶(0.8～0.9)∶(15～25)，向原料中加入表面活性剂和去离子水，搅拌，得溶液I；按尿素∶所述原料的摩尔比为4～8∶1，向溶液I中加入尿素，搅拌，水热处理；离心分离，取下层沉淀物，干燥，在800～1000℃条件下热处理1～3h，得到(CoCrFeMnNi)3O4高熵陶瓷粉体后在氨气气氛和400～600℃条件下热处理，制得(CoCrFeMnNi)N高熵陶瓷粉体。本发明具有成本低、工艺简单、周期短、纯度高和磁学性能好的特点。
(CoCrFeMnNi) N high-entropy ceramic powder and preparation method thereof
一种(CoCrFeMnNi)N高熵陶瓷粉体及其制备方法
CHEN HUI (author) / SUN XIAOYAN (author) / ZHAO LEI (author) / FANG WEI (author) / HE XUAN (author) / DU XING (author) / WANG DAHENG (author) / LI WEIXIN (author) / ZENG XIANGHUI (author)
2022-07-29
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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